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-rw-r--r--fs/overlayfs/util.c12
1 files changed, 0 insertions, 12 deletions
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c
index cb4a5eaf0ba5..df503a8c6bcf 100644
--- a/fs/overlayfs/util.c
+++ b/fs/overlayfs/util.c
@@ -40,18 +40,6 @@ const struct cred *ovl_override_creds(struct super_block *sb)
return override_creds(ofs->creator_cred);
}
-struct super_block *ovl_same_sb(struct super_block *sb)
-{
- struct ovl_fs *ofs = sb->s_fs_info;
-
- if (!ofs->numlowerfs)
- return ofs->upper_mnt->mnt_sb;
- else if (ofs->numlowerfs == 1 && !ofs->upper_mnt)
- return ofs->lower_fs[0].sb;
- else
- return NULL;
-}
-
/*
* Check if underlying fs supports file handles and try to determine encoding
* type, in order to deduce maximum inode number used by fs.